Home / 58,449.06-87,642.24-30,340.80

Finding the Fourth Proportional to 58,449.06, 87,642.24 and 30,340.80

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Solution

The fourth proportional to 58,449.06, 87,642.24 and 30,340.80 is: 45,494.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,449.06 : 87,642.24 = 30,340.80 : x
  2. Step 2: Convert to fraction form
    58,449.06/87,642.24 = 30,340.80/x
  3. Step 3: Cross multiply
    58,449.06x = 87,642.24 × 30,340.80
  4. Step 4: Simplify right side
    58,449.06x = 2,659,135,675.39
  5. Step 5: Solve for x
    x = 2,659,135,675.39/58,449.06
  6. Step 6: Final answer
    x = 45,494.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.